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修复使用FFmpeg导出时的卡死问题

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This commit is contained in:
ww-rm
2025-07-11 16:52:50 +08:00
parent b01d112d63
commit f1cd9e25e5
5 changed files with 15 additions and 2 deletions
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2
Spine/Exporters/FFmpegVideoExporter.cs
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@@ -62,7 +62,7 @@ namespace Spine.Exporters
/// </summary> /// </summary>
protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines) protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines)
{ {
// XXX: 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染 // BUG: 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染
using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y); using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y);
using var view = _renderTexture.GetView(); using var view = _renderTexture.GetView();
tex.SetView(view); tex.SetView(view);

1
SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
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@@ -142,7 +142,6 @@ namespace SpineViewer.ViewModels.Exporters
{ {
if (!Export_CanExecute(args)) return; if (!Export_CanExecute(args)) return;
Export(args.Cast<SpineObjectModel>().ToArray()); Export(args.Cast<SpineObjectModel>().ToArray());
// XXX: 导出途中应该停掉渲染好一些, 让性能专注在导出上
} }
private bool Export_CanExecute(IList? args) private bool Export_CanExecute(IList? args)

4
SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
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@@ -83,6 +83,8 @@ namespace SpineViewer.ViewModels.Exporters
exporter.Rotation = view.Rotation; exporter.Rotation = view.Rotation;
} }
_vmMain.SFMLRendererViewModel.StopRender();
if (_exportSingle) if (_exportSingle)
{ {
var filename = $"ffmpeg_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}"; var filename = $"ffmpeg_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
@@ -168,6 +170,8 @@ namespace SpineViewer.ViewModels.Exporters
} }
_vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None; _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
} }
_vmMain.SFMLRendererViewModel.StartRender();
} }
} }
} }

6
SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
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@@ -68,6 +68,10 @@ namespace SpineViewer.ViewModels.Exporters
exporter.Rotation = view.Rotation; exporter.Rotation = view.Rotation;
} }
// BUG: FFmpeg 导出时对 RenderTexture 的频繁资源申请释放似乎使 SFML 库内部出现问题, 会卡死所有使用 SFML 的地方, 包括渲染线程
// 所以临时把渲染线程停掉, 只让此处使用 SFML 资源, 这个问题或许和多个线程同时使用渲染资源有关
_vmMain.SFMLRendererViewModel.StopRender();
if (_exportSingle) if (_exportSingle)
{ {
var filename = $"video_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}"; var filename = $"video_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
@@ -153,6 +157,8 @@ namespace SpineViewer.ViewModels.Exporters
} }
_vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None; _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
} }
_vmMain.SFMLRendererViewModel.StartRender();
} }
} }
} }

4
SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
View File

@@ -47,6 +47,8 @@ namespace SpineViewer.ViewModels.Exporters
exporter.Rotation = view.Rotation; exporter.Rotation = view.Rotation;
} }
_vmMain.SFMLRendererViewModel.StopRender();
if (_exportSingle) if (_exportSingle)
{ {
var folderName = $"frames_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}"; var folderName = $"frames_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}";
@@ -132,6 +134,8 @@ namespace SpineViewer.ViewModels.Exporters
} }
_vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None; _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
} }
_vmMain.SFMLRendererViewModel.StartRender();
} }
} }
} }